| Name | Alnus oblongifolia Torrey |
| Authorship | Torrey |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus |
| GUID | urn:lsid:ipni.org:names:294968-1 |
| Citation | 1859 Rep. U.S. Mex. Bound., Bot. 204 |
| Holdings | 55 Specimens held in the Harvard University Herbaria identified as Alnus oblongifolia Torrey |
| Identification made in | [no date] (50), 1974 (2), 2004 (1), 2008 (2) |